From 6a5e7d10cebc0d71480a6756a3abc3401ccab563 Mon Sep 17 00:00:00 2001
From: cloudhead <self@cloudhead.net>
Date: Wed, 30 Jun 2010 13:19:41 +0200
Subject: [PATCH] default to __filename when no filename in env

---
 lib/less/parser.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/less/parser.js b/lib/less/parser.js
index b7cbde4b..14b7fba5 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -170,7 +170,7 @@ less.Parser = function Parser(env) {
         }
     }
 
-    this.env = env || {};
+    this.env = env = env || {};
 
     // The optimization level dictates the thoroughness of the parser,
     // the lower the number, the less nodes it will create in the tree.
@@ -178,6 +178,8 @@ less.Parser = function Parser(env) {
     // the individual nodes in the tree.
     this.optimization = ('optimization' in this.env) ? this.env.optimization : 1;
 
+    this.env.filename = this.env.filename || __filename;
+
     //
     // The Parser
     //